28463808 has 28 divisors (see below), whose sum is σ = 75311000. Its totient is φ = 9487872.

The previous prime is 28463801. The next prime is 28463821. The reversal of 28463808 is 80836482.

It is not an unprimeable number, because it can be changed into a prime (28463801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73933 + ... + 74316.

Almost surely, 2^28463808 is an apocalyptic number.

It is an amenable number.

28463808 is an abundant number, since it is smaller than the sum of its proper divisors (46847192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28463808 is a wasteful number, since it uses less digits than its factorization.

28463808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148264 (or 148254 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 28463808 is about 5335.1483578247. The cubic root of 28463808 is about 305.3263835662.

The spelling of 28463808 in words is "twenty-eight million, four hundred sixty-three thousand, eight hundred eight".